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Re: MenuView inside Manipulate

  • To: mathgroup at smc.vnet.net
  • Subject: [mg88405] Re: [mg88387] MenuView inside Manipulate
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Mon, 5 May 2008 06:08:51 -0400 (EDT)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <200805031019.GAA04169@smc.vnet.net>
  • Reply-to: murray at math.umass.edu

I'm seeing no such difference in behavior between the two results: the 
rectangle remains visible in the result of (2) when I click the 
drop-down selector's arrow and then click 2, or when I click again and 
select 1.  This is with Mathematica 6.0.2 under Windows XP.

dkr wrote:
> (1)  Grid[{{MenuView[{1,2}],Graphics[Rectangle[{0,0}]]}}]
> 
> (2)  Manipulate[
>  Grid[{{MenuView[{1, 2}],
>     Graphics[Rectangle[{0, 0}]]}}], {item, {0}}, ControlType -> None]
> 
> (1) is a simple grid, and (2) simply embeds this grid in a "dummy"
> Manipulate (i.e., the control variable does not enter the first arg of
> the Manipulate, and the control is not explicitly displayed).  When
> one clicks on the popup menu in (1), the rectangle remains visible.
> However, in (2), when one clicks on the popup menu, the rectangle
> disappears, and only reappears when the mouse button is released.  Is
> this a bug?  Does anyone know how one can keep the rectangle visible
> in (2) when one clicks on the popup menu.  (If TabView is substituted
> for MenuView, the rectangle remains visible in both cases when a tab
> is clicked.)
> 
> dkr
> 

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


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